TY - JOUR AU - Hong Bing Yu TI - The number of $k$-sums of abelian groups of order $k$ JO - Acta Arithmetica PY - 2004 SP - 103 EP - 107 VL - 112 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa112-2-1/ DO - 10.4064/aa112-2-1 LA - en ID - 10_4064_aa112_2_1 ER -